G4INCLGlobals.hh

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//
// INCL++ intra-nuclear cascade model
// Pekka Kaitaniemi, CEA and Helsinki Institute of Physics
// Davide Mancusi, CEA
// Alain Boudard, CEA
// Sylvie Leray, CEA
// Joseph Cugnon, University of Liege
//
#define INCLXX_IN_GEANT4_MODE 1

#include "globals.hh"

#ifndef G4INCLGlobals_hh
#define G4INCLGlobals_hh 1

#include <cmath>
#include "G4INCLParticleType.hh"

namespace G4INCL {
  class Particle;

  namespace PhysicalConstants {
    const G4double hc = 197.328;

    const G4double hcSquared = hc*hc;

    const G4double Pf = 1.37*hc;
    //  const G4double Pf = 1.36828*hc;

    const G4double PfSquared = Pf*Pf;

    const G4double eSquared = 1.439964;
  }

  namespace Math {
    const G4double pi = 3.14159265358979323846264338328;
    const G4double twoPi = 2.0 * pi;
    const G4double tenPi = 10.0 * pi;
    const G4double piOverTwo = 0.5 * pi;
    const G4double oneOverSqrtThree = 1./std::sqrt((G4double)3.);
    const G4double oneThird = 1./3.;
    const G4double twoThirds = 2./3.;
    const G4double sqrtFiveThirds = std::sqrt(5./3.);
    const G4double sqrtThreeFifths = std::sqrt(3./5.);

    inline G4double toDegrees(G4double radians) {
      return radians * (180.0 / pi);
    }

    inline G4int heaviside(G4int n) {
      if(n < 0) return 0;
      else return 1;
    }

    inline G4double pow13(G4double x) {
      return std::pow(x, oneThird);
    }

    inline G4double powMinus13(G4double x) {
      return std::pow(x, -oneThird);
    }

    inline G4double pow23(G4double x) {
      return std::pow(x, twoThirds);
    }

    template <typename T> inline G4int sign(T t) {
      return t > 0 ? 1: t < 0 ? -1 : 0;
    }
  }

  namespace ParticleConfig {
    G4bool isPair(Particle const * const p1, Particle const * const p2, ParticleType t1, ParticleType t2);
  }
}
#endif

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